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MX ˙ BMV ˙ US31188V1008
SecurityMX:FSLY / Fastly, Inc.
InstitutionHrt Financial Lp
Latest Disclosed Ownership1,545,483 shares
Latest Disclosed Value $ 44,911
Hrt Financial Lp ownership in FSLY / Fastly, Inc.

On May 14, 2026 - Hrt Financial Lp filed a 13F-HR form disclosing ownership of 1,545,483 shares of Fastly, Inc. (MX:FSLY) valued at $44,911 USD as of March 31, 2026. The entity filed a previous 13F-HR on November 14, 2025 disclosing 0 shares of Fastly, Inc..

Hrt Financial Lp has a history of taking positions in derivatives of the underlying security (FSLY) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 9,700 of underlying shares valued at $343,000 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:FSLY / Fastly, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F FASTLY CL A 31188V100 1,545,483 1,545,483 45 0.1121
2025-11-14 2025-09-30 13F FASTLY CL A 31188V100 0 -104,524 -100.00 0 0.0000
2025-08-14 2025-06-30 13F FASTLY CL A 31188V100 104,524 104,524 1 0.0032
2025-05-15 2025-03-31 13F FASTLY CL A 31188V100 0 -262,347 -100.00 0 -100.00
2025-02-14 2024-12-31 13F FASTLY CL A 31188V100 262,347 262,347 2 0.0128
2024-11-12 2024-09-30 13F FASTLY CL A 31188V100 0 -26,980 -100.00 0 0.0000
2024-08-12 2024-06-30 13F FASTLY CL A 31188V100 26,980 26,980 0 0.0011
2023-08-11 2023-06-30 13F FASTLY CL A 31188V100 0 -91,350 -100.00 0 -100.00
2023-05-12 2023-03-31 13F FASTLY CL A 31188V100 91,350 -202,841 -68.95 2 -50.00 0.0198
2023-02-10 2022-12-31 13F FASTLY CL A 31188V100 294,191 294,191 2 0.0341
2022-08-12 2022-06-30 13F FASTLY CL A 31188V100 0 -19,548 -100.00 0 -100.00
2022-05-16 2022-03-31 13F FASTLY CL A 31188V100 19,548 9,848 101.53 339 -1.17 0.0024
2022-02-14 2021-12-31 13F FASTLY PUT 31188V950 9,700 -200 -2.02 343 -59.26 0.0020
2021-08-16 2021-06-30 13F FASTLY CALL 31188V900 0 -34,100 -100.00 0 -100.00
2021-05-17 2021-03-31 13F FASTLY CALL 31188V900 34,100 31,500 1,211.54 2,294 938.01 0.0232
2021-02-16 2020-12-31 13F FASTLY L A 31188V100 0 -34,847 -100.00 0 -100.00
2020-11-13 2020-09-30 13F FASTLY L A 31188V100 34,847 24,947 251.99 3,264 287.65 0.0948
2020-08-14 2020-06-30 13F FASTLY PUT 31188V950 9,900 9,900 842 0.0253
2020-08-14 2020-06-30 13F FASTLY CALL 31188V900 2,600 2,600 221 0.0066
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2021-08-16 2021-06-30 13F FASTLY CALL 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-17 2021-03-31 13F FASTLY CALL 34,100 1,211.54 2,294 938.01 n/a n/a n/a
2020-08-14 2020-06-30 13F FASTLY CALL 2,600 221 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2022-02-14 2021-12-31 13F FASTLY PUT 9,700 -2.02 343 -59.26 n/a n/a n/a
2020-08-14 2020-06-30 13F FASTLY PUT 9,900 842 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.